package com.example.day16;

/**
 * @author Lenovo
 */
public class HashMapDemo {
    public static void main(String[] args) {
        HashMap<String, Student> hm = new HashMap<String, Student>();
        Student s1 = new Student("林青霞", 30);
        Student s2 = new Student("张曼玉", 35);
        Student s3 = new Student("王祖贤", 33);
        hm.put("itheima001", s1);
        hm.put("itheima002", s2);
        hm.put("itheima003", s3);
        Set<String> keySet = hm.keySet();
        for (String key : keySet) {
            Student value = hm.get(key);
            System.out.println(key + "," + value.getName() + "," +
                    value.getAge());
        }
        System.out.println("--------");
    }

    private java.util.HashMap<Object, Object> hm;
    Set<Map.Entry<String, Student>> entrySet = hm.entrySet();
        for(
    Map.Entry<String, Student> me :entrySet)

    {
        String key = me.getKey();
        Student value = me.getValue();
        System.out.println(key + "," + value.getName() + "," +
                value.getAge());
    }
}
}